React Intro

What is React?

• A Javascript frontend framework

• A JavaScript framework for building user interfaces

• A JavaScript library for building user interfaces

Who developed React?

• Google
  

• Microsoft

• Facebook

What is a component in React?

• A reusable piece of UI

• A type of database

• Pages in react

How do you create a React app using Create React App?

• 
  npx create react app my-app

• 
  npx create-react-app my-app

• npm install react-app

What is JSX in React?

• Java Standard Extension

• A CSS preprocessor

• JavaScript XML syntax used in React

What is React primarily used for?

• Building mobile applications

• Creating dynamic user interfaces

• Designing static HTML pages

What does JSX allow you to do?

• Write Javascript code inside HTML

• Write HTML inside JavaScript

Which of these is NOT a valid feature of React?

• Virtual DOM

• Component-based structure

• JSX syntax

• Built-in database

How do you start react app created with vite?

• npm start

• npm run dev

• npm start dev

How can you access city from the students variable?

const students = [{

name: "John Doe",

age: 20,

address: {

street: "123 Main St",

city: "New York",

zip: "10001"

}

} ];

• students.address.city

• student[0].address->city

• student[0].address.city